package cn.wolfcode.web.interceptor;

import cn.wolfcode.util.UserContext;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Component
public class CheckLoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //从session中获取用户信息
        //Object employee = request.getSession().getAttribute("USER_IN_SESSION");
        Object employee = UserContext.getCurrentUser();
        //判断是否有登录
        if (employee!=null) {
            return true;
            //放行
        }
        response.sendRedirect("/login.html");
        return false;
        //不放行
    }
}
